/Engine/Plugins/Editor/ObjectMixer/ObjectMixer/Source/ObjectMixer/Public/ObjectFilter/ObjectMixerEditorObjectFilter.h
Specify whether we should return only the specified classes or the parent and child classes in placement mode. Defaults to 'None' which only considers the specified classes.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintNativeEvent, BlueprintCallable, Category="Object Mixer") virtual [EObjectMixerInheritanceInclusionOptions](API\Plugins\ObjectMixerEditor\ObjectFilter\EObjectMixerInhe-) GetObjectMixerPlacementClassInclusionOptions() const